This is the future of the Tube map, with a bright purple line running through the centre of London.

The Elizabeth line will fully open in December 2019 Picture: Catherine Davison

The map, due to be used from December 2018, has been released to mark a year until the Elizabeth line comes into operation.

Initially, the line will operate as three services: Paddington (Elizabeth line station) to Abbey Wood, Paddington (mainline station) to Heathrow, and Liverpool Street to Shenfield - the latter currently operating as TfL Rail.

Initially, fifteen trains an hour will run - rising to 24 trains per hour through the central section by May 2019.

It will cut the time it takes to travel across London, including getting from Canary Wharf to Paddington in just 17 minutes.

When complete, Transport for London estimates more than 200 million passengers will travel on the Elizabeth line every year, increasing rail capacity by 10 per cent while reducing congestion on the Tube.

The new stations, which will all be step-free, and travel links are expected to boost the economy by £42 billion.

Mayor of London Sadiq Khan said: “It’s truly exciting that in only a year London will see the opening of one of the biggest new transport projects in a generation.

“The new map being unveiled shows how the first phase of the Elizabeth line will connect to key parts of the transport network in the heart of central London, substantially reducing congestion on other key Tube lines as London’s population grows.”

Transport commissioner Mike Brown added: “The Elizabeth line will transform many journeys to work, home, the airport or around London allowing many more people across the south east to enjoy one of the greatest cities in the world. Our customers will soon benefit from the most significant increase in central London’s public transport capacity for decades.”

The timeline is as follows:

May 2018: TfL Rail service opens between Paddington and Heathrow.

December 2018: The Elizabeth line opens, initially operating as three services.

May 2019: Direct services from Paddington to Shenfield and Abbey Wood.

December 2019: The Elizabeth line is fully open, with services running from Reading and Heathrow to Shenfield and Abbey Wood.

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